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Diagnosing, Treating & Curing Blue Green Algae in Freshwater Aquariums. The Danger of Cyanobacteria
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- เผยแพร่เมื่อ 27 มิ.ย. 2022
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"Unseasonably hot" - guy wearing a beanie.
I didn't say I was unseasonably intelligent lol
-The worst case of cyano I've had to deal with was is a cycling tank which makes me sceptical about high organics beeing the only cause. I was told that that was caused by 0 nitrites. I've also noticed that increasing flow and oxygenation helps in the long term in other cases.
True. I did have 0 nitrates or nitrites also ... maybe your on to the real answer. Thanks!
Oh good I just had this problem in one of my small tanks . I think its under control now
Glad it's doing better now. Cheers
I have been battling cyano for about a month now… it’s blanketed over my whole tank at this point even with pulling it out by the masses every day
Add erythromycin dose half of what you should for fish per the instructions :)
Really sorry you've had to deal with this but it's been a great teaching moment for us. I thought I had cyano starting on a couple of rocks but after watching this, I've determined it's just green spot. Not surprising, my Salvinia had a die-off recently; I've been picking dying plants off the surface for days, every time I get bored.
l am using erythromycin to cure my Beta fish who has now spotted fuzzy cotton on his dorsal fin and adding also ,Fritz paracleanse & Ich-X to combat his illness he still has an appetite And it's active in swimming.. His hospital tank is kept 86 degrees. Thank you for video update.
You May need a fungal cure if that doesn't work...but best of luck, hope it does
I had this a couple years ago. Used Ultralife Blue-green slime stain remover. Worked great and didn't nuke my cycle.
Oh great to hear... I know in Canada they can use that and not antibiotics, so that's really nice to hear. I appreciate the input!
Commiserations for your lost fish, just had my 100L crash out and lost an angel and a bunch of tetras to fungal outbreak. Really annoying because I was on top of qater changes and everything, but water quality was shot because unbeknownst to me a tetra had gotten stuck deeeep inside my massive java moss and died at some point so it was a thriving fungal colony when I finally noticed the problem and started doing damage control and took the moss out to clean it of debris
Thanks for sharing your experiences with us. I think it helps folks who watch videos to figure out what's going on in their tank...to have several similar stories in the post.
Sorry about your tank. That's so frustrating.
IMO, cyano only appears in tanks with fast growing plants, that's when nitrate is really low and there's lots of debris from dead plants. One way to prevent cyano in the long run is up your nitrate level.
Yeah, good point. I agree with that in general...but most new fish keepers have trouble with nitrates and nitrites being lowered rather than raised...so I didn't want to get into the nuance of that extra factor...then have new keepers trying to raise their Nitrites hahah.
My nitrates are way up and I have it - so no mate, your theory is not correct.
@@carl3459It can be correct for many people. My nitrates are always 0 due to hornwort and valisneria, + pothos, syngonium, and other house plants growing out of the top. I've learned when I get cyanobacteria it's usually with 0 nitrates but a slowed/clogged filter that has cyanobacteria inside of it, and the cyano starts in corners with low flow, like under driftwood or in big patches of java moss
One of the preventions is to literally reduce nitrates and get fast growing plants to compete with it in many places I’ve seen, so idk how solid that theory is😊
i got the same problem, today i cleand the hole tank!! pulled al the hard scape out and all of the plants, put a new piece of wood in the tank and it and cleaned everything darn its a hell off a job but it looks clean again hopping to created a new starting point..Itreated the water with a mild antibio pray pray !!
Best of luck!
There was an article about keeping Boston Ferns in rooms with higher humidity, they thrive in these environments.. and wick out the atmospheric humidity as well.. just a thought when you had a Boston fern placed in the beginning of the video 👍🏼
Yeah I did...but it's mad at Me and seems to be dying even though I'm giving it the things it supposedly needs usually.
Thank you for this!
I have a case of cyanobacteria and definitely need to keep up with my maintenance.
When I use to breed shrimp use to get the pink/purple stuff. Found hydrogen peroxide twice a week helped my situation out. Yes, floating plants are great, but can block oxygen and block us seeing dead animals in our tanks.
Great idea for spot treatments
I delt with Cyano for months in a new set up , Finally treated with Maracyn and that did the trick
Glad to hear it! It usually nukes the stuff in my experience
4 30% water changes in 2 months, gravel vacuum, and some CO2 spot dosing fixed it for me in my 75g.
Here's a good one for you Alex!
I have 20 tanks in all so far that hold water. I was utilizing 19 and had a spare 75 gallon just waiting to be used. I finally filled it up with water, and turned on the 2 sponge filters and set the heater for 78F. I didn't pay much attention to it for about a week. I turned it's light on and AHHHH... The weirdest algae I ever seen (not that I've seen much) it was a weird green (not really blueish green) and very slimy. I don't know how else to explain it other than snot. It was on the glass and flowing into the water column. It also had big clumps just float near the middle of the water column. I searched and called my LFS's and was told it's a form of cyanobacteria which is also common during certain times (usually spring) here in our lakes (the state sends people to monitor and watch for it and will post no swimming until it clears up).
I stripped and cleaned EVERYTHING with a strong bleach solution. Filled the tank back up and added half a gallon of bleach letting it run for over a week. Complete clean out, de-bleached everything and fresh refill. After 2 weeks I seen signs of it coming back. Again total bleach cleaning again. This time I let it sit dry for a few weeks. When I finally filled it back up all was fine.
I tried to find out how did I get it and was told either air borne or through our tap water. So I started thinking... My house is usually closed up with the A/C running. My tap water does originate from a local river but goes through the water companies filter system with chlorine added.
BUT!!!! My 19 other tanks were fine with NO algae. Hummm... 😲
It's nasty stuff when it blooms like that... but usually it's harmless and your bacteria and fungi, usually fight it off. But new tanks or tanks with low low nutrients and high light/ high organic Mash, can be a breeding ground if you do get it
@@Fishtory Yes true. But what stumped me is the tank had just chlorinated tap water and ambient light, no fish or anything. If it came from my tap water my other 19 tanks should have gotten it to. Very strange stuff.
Some waterheaters have this bacteria colonized in them. All it takes is a drop of warm water.
Good thing you found the dead body quick😅I usually don't find my's until they half eaten form the guppy and Corey gang 🤦🏻.. at some point I just stop counting there's so many babies...
I hear you lol...this tank only had 2 larger fish...and without the phone seeing over the top...I hadn't seen it cleaning up for 20 minutes prior
great explanation and solid tips
Man sorry you're going through that. Seems like you know what you're doing though!
I got lazy and took out too many snails basically... so I feel bad, it's all on me. But I try and share what goes on in the fish room, hopefully it can help someone else? Thanks dude
i have 6 tanks at my house and one of them keeps getting this blue green algae no matter what ive tried. was originally in a 20 gallon and i traded the 20 gallon for a 29 gallon and did a complete cleaning on it before i set it up. a couple months probably went by before i noticed it again in the new tank. thought maybe it was too close to a window so i put up some light blocking shades and did another complete cleaning of everything in the tank. it came back again. so i put in some blue green algae killer and eventually came back again. at this point its all over the tank again and im about to do another complete cleaning with medication and add fritz max out pro in the filter. hopefully this time it stays gone. fyi my other 5 tanks are all crystal clear and healthy.
Do whatever works.... ive found with cyanobacterias half the normal dose of any gram possitive antibiotics also works extremely well
I'm having an outbreak of cyanobacteria in my 10 Gallon betta tank. I live in Canada though so I don't have access to erythromycin, so I'm going to try UltraLife Blue-green slime remover instead. It's just taking forever to get here in the mail and the bacteria is choking out the plants. It doesn't help that the weather had been really warm either so it spreads just as fast as I can pull it out. It's terrible stuff!! I just hope it doesn't start effecting the fish and shrimp before I can get the slime remover. 😖
If you can move the fish and kill the lights for a week (toss a towel over the tank to black it out) that around work too...but that is annoying for sure
Lol all my tanks have that, my discus tank has huge carpets in the sandbed, doesn't smell bad, the discus and cardinals are doing great and snails have no problem eating all the food that falls on this cyanobacteria, have had it for more than half a year I think it looks cool, sometimes I add bits to my 190gallon tank's sump to help grow bacteria.
If its not hurting anything, then why worrry :)
@@Fishtory awesome, good to know!
I have been watching a lot of your videos. I'm trying my hand at a filterless tank because of you, if you could talk more about what substrate you use that would be awesome 😁
Good information, but....I see a lot of comments about the cause of cyano and yet it appears in tanks with high flow, high 02, zero nitrates, zero nitrites, even daily water changes. TM Aquatics did a good video about cyano in his unplanted shelly tank which had lots of flow. I am battling it in a mature tank that never had it until a year ago and the tank has been set up for over 5 years. Currently has no live stock, lots of floating plants, over filtered with a surface skimmer. The root cause of cyano remains a mystery.
Yeah phosphates are a likely culprit i would guess?
@@Fishtory Yes! That is what I wondering. My tap water might have increased phosphates. I've had small outbreaks in a couple tanks starting late last year. No detectable amounts of ammonia/nitrites/nitrates. Played around with increased water changes, no help, maybe made it a little worse. I was going to order a phosphate test, but snagged some phosphate removing media on clearance at petsmart today. Will put that in the filter and see what happens. I will use this tank as an experiment since it has no livestock in it. If phosphate remover doesn't work I will go the EM route since I just cannot figure out the root cause. I will be happy to share what happens if you like? Thanks and have a good day!
@@lindajany updates?
Dang! Just missed this! I have probs with the green algae on my glass
It'd probably due to silicates and nitrates in the water plus too much light (low light for long hours will do it the worst)
Unleash the snails! 🐌 🐌 🐌🐌 🦠
Yes except they won't eat toxic varieties or cyanobacteria unfortunately. So of u see the snails even avoiding the blue green algae... that's a bad sign lol
@@Fishtory Run away! Run away! 🦠 😱 🏳️ 🐌 🐌 🐌 🏳️
I have blue green algae in my 180 gallon tank now will take a lot of packets.
Yes... you can probably manually remove it and do some water changes... or even use a syringe/pipette to target the spots with hydrogen peroxide too
Sorry about your fish I always feel bad when I loose a fish
Thanks...it's a bummer...it's my fault for letting the debris build up
I have to stay on top of my tanks when breeding... If I don't sell the fish fast enough, I have to clean some of the tanks' debris twice a week. Gotta keep things healthy, or things can sideways fast.
100% it's due to Me being lazy and the heat combined...rotting the floating plants basically
@@Fishtory You are not a lazy person! Not at all. Tank conditions are always in flux; stuff happens. One too many microbes in the wrong place; bam! Chaos. It happens to us all. Good luck to you as you get things back in order. :)
hi good video i have the same problem with one of my tanks mine is on my dragon stone and my plants i keep taking out but it come backs i also have to take my dragon stone out to scrub them with a wire brush its a pain in the BUTT it as kill some of my shrimp my cyanobacteria is very slimme i take it of with a tooth brush thats on my plants
I hear you
@Alex Hi Alex, could you confirm this for me? My plants are losing their leafs, some leafs have holes in them and others are turning transparent.
Its a nutrient deficiency right?
As always and i don't mention it enough. Still a great fan and i love the information in your videos.
I recently found 7 stowaways from the water lettuce i bought. Bladder snails. They lay eggs very fast too. I don't mind snails in my aquarium not even an abundance of it, but the problem with my aquarium started around the time i bought the water lettuce.
I suspect that water lettuce is excellent for removing ammonia, nitrite and nitrates from the water column, but if the necessary amounts are not there to feed the plants they will starve along with the other plants.
I (only) have about 80-90 nano fish/snails in my 150 US gallon aquarium and i think they do not produce enough waste.
My order of liquid fertilizer should arrive today. I will dose a little extra and reduce the dose every week until i notice the plants require more or less so i can figure out the right balance
PS i love the streams, but could you add in an official time frame for questions after or inbetween subjects? It might spark more activity compared to other streamers
They are likely low on potassium. Orr they may just be melting if they're newer than 4 months or so old. And yes...I'll try to add a comment time specifically. Usually the end is always open question time like this episode though too
@@Fishtory 4 months? I had no idea it took that long.
I have noticed the leaf exchange happening within weeks so i thought i was passed this point.
Secretly i hope you are right so i can save up on buying fertilizer since i have an active substrate. Than again the potassium deficiency requires fertilizing
Concerned I'm now getting some in my Christmas moss, which has a brown algae problem already.
Hopefully it's just paranoia.
I don't no if u still read these comments after a yr. I get the cyano bac at the very top of substrate at the glass in spots can u dilute the EM in syringe and spot treat
Um you may be able to, but its water soluble,.so itll diffuse into the whole tank still...but i find half the normal dose for fish works well
I have this black algae in my tank that I can’t identify. It has a tint of red/brown in the tank but on a paper towel it looks blue green. It has the signature sliminess of blue green algae and comes off with a gentle rub, but it lacks the acrid smell. It has never coated the substrate but has coated about anything else. I’m gonna give this medication a try to see if it is BGA
Could be staghorn also...does it split / fork in the hairs?
@@Fishtory it doesn’t. It’s the first time I’ve ever been confused on what an algae could be.
@booperfumprdink859 hmm odd, yeah? Ill ask around...im a bit at a loss
@@Fishtory thank you! I’ve called around to all my local stores and most of them agreed it was Cyanobacteria as black beard algae or stag horn would be harder to remove. I’ve also been trying to adjust my lighting/fertilizer schedule but that didn’t help which also makes me think it’s Cyanobacteria. I’d definitely appreciate you getting back to me on what you think it is!
@booperfumprdink859 if myracin or erythromycin kills it...its cyanobacteria...if antibiotics dont kill it, it doesnt have a bacterial component and just photosynthetic... so cutting all light for 72 hours ...with like a dark quilt over the tank should also do the job in most cases
Antibiotics can also kill beneficial bacteria. I've crashed tanks by treating fish with antibiotics.
Yeah I talk about getting filter media ready to swap out, near the end. But I've noticed erythromycin usually doesn't crash the entire filtration situation either...but best not tempt fate
Interesting
I'm on 6th say of treatment right now. Do you know if em kills the bga under the gravel?
It usually kills most of it...but it depends on flow in your tank honestly
Hey Alex, I'm curious if you or anyone else out there have used c.o.ll oidial Ag (unfortunately, I've learned I can't just spell it out on this platform) as treatment for any aquarium issues. I've personally used it exclusively, well, along with temp increase, to successfully combat two separate ich outbreaks. I also use it as a general cure-all for any bacterial or fungal issues that arise. I could go on and on about it's potential uses in this hobby but I'd love to hear of others experiences, as info on this topic does exist but is very scarce.
I have 2 tanks that have the green blue alge I can definitely smell it i.m working on finding a cure to fixing them. i have 2 try home made medication not everyone has general cure let's see what happens
Yeah general cure won't kill most of them. You'll need antibiotics like e.m. but I bet tea tree oil or something will also fight it...I just don't know about the fish
Using erythromycin, is it safe for fish and snails? I cant take my fish out?? Do I just treat one time at that dosage and let it sit for a week as Cory mentioned, or do I follow the package instructions as though treating sick fish? Is there any other product that also works but does not kill the beneficial bacteria? Thanks in advance for your advise! ❤🇨🇦
Your critters will be safe. I actually find that half a dose and a 40 or 50% water change eliminates all the cyanobacteria just fine. So 1 packet per 20g instead of 10...then do another water change in 48 hours... and that's my method
@@Fishtory Thank you soooo much !!! I'm following your method!! I so appreciate you replying and your fantastic videos!! ❤🇨🇦
@@bevfrigon7142 my pleasure
I just treated Cyanobacteria in my tank with Fritz slime out and it worked great overnight. Did a 50% water change and got out as much chunks as I could. Following day it was almost all gone
I Have an outbreak in my 20 gallon blur tailed fire belly newt tank 😔
Probably 1/4 to 1/3 of a packet of api Erythromycin will cure it... after 48 hours do a big water change. But if possible it may be best to move amphibians due to their sensitivity
Not sure why you'd use medication over a 3-4 day blackout? I just did one and it worked incredibly well!
Only for some strains of cyanobacteria that can survive without light
@@Fishtory yeah, I watched the rest of the video and realised there's many more types. I suppose I was lucky to get rid of mine without light. Thanks Alex, you're awesome
What about Chemiclean instead of an antibiotic?
Works well I hear!
Well I did a little research.. it is erythromycin lol!! Love the videos, very helpful!
Are Acara peaceful fish to add with Guppies, Nano Tetras?
my electric blue acara has eaten small fish like pleco fry but laetacara are safe with small fish bigger than an inch
@@amazingaquaticsandexotics3030 My guppies, Cardinal Tetras and especially Glass Bloodfin Tetras eat my fry as well thats nothing new
@@EuroGupper and electric blues can be food aggressive towards certain fish when full grown particularly ones that dont understand rules of territory .
@@amazingaquaticsandexotics3030Do you have any experience with Apistogramma? I love their size and colors. Are they safe for a community tank of nano fish?
@@EuroGupper never kept them but seen a lot of them and most of the captive bred forms seem like great community fish for most tanks
Man when you panned to the top I immediately saw the body and said something just as you gasped. Terrible stuff, sorry she died man
Thanks... I'm bummed...it's my fault for not keeping the debris down/taking out all the snails
RIP fish good thing I don't have any yikes but would ramshorn snails eat that & isn't that alge good for daphnia cultures
So this specific cyanobacteria is not good for any animals Other than some bacteria and fungi....but green water floating algae is usually good for daphnia
blue green algae, boooooo!
Hey that's horrible backterea
Now isn't that stuff just hair algae
No hair algae is slimy and comes in tiny strands rather than a thin layer or sheet like a blanket
Okayyy a little unnecessary to dunk on communism. Can’t pass it on to a Chinese friend.
Lol they aren't allowed to have youtube legally any how